// pages/goods_detail/index.js
import {
  request
} from "../../request/index"
Page({

  /**
   * 页面的初始数据
   */
  data: {
    detailList: [],
    isCollect:false
  },
  GoodsInfo: {},
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    const {
      goods_id
    } = options
    this.getGoodsDetail(goods_id)
  },
  handleCollect(){
    let isCollect = false;
    let collect = wx.getStorageSync("collect")||[];
    let index = collect.findIndex(v=>v.goods_id ===this.GoodsInfo.goods_id)
    if(index!==-1){
      collect.splice(index,1)
      isCollect = false;
      wx.showToast({
        title:"取消成功",
        icon:"success",
        mask:true
      })
    }else{
      collect.push(this.GoodsInfo)
      isCollect = true
      wx.showToast({
        title:"收藏成功",
        icon:"success",
        mask:true
      })
    }
    wx.setStorageSync("collect",collect)
    this.setData({
      isCollect
    })
  },
  async getGoodsDetail(goods_id) {
    const res = await request({
      url: "/goods/detail",
      data: {
        goods_id
      }
    })
    this.GoodsInfo = res.data.message
    // console.log(res.data.message);
    const detailList = res.data.message
    let collect = wx.getStorageSync("collect") || []
    let isCollect = collect.some(v => v.goods_id === this.GoodsInfo.goods_id)
    console.log(isCollect);
    this.setData({
      detailList: {
        goods_name: detailList.goods_name,
        goods_price: detailList.goods_price,
        goods_introduce: detailList.goods_introduce.replace(/\.webp/g, '.jpg'),
        pics: detailList.pics
      },
      isCollect
    })

  },
  handleCartAdd() {
    let cart = wx.getStorageSync("cart") || []
    let index = cart.findIndex(v => v.goods_id === this.GoodsInfo.goods_id)
    if (index === -1) {
      this.GoodsInfo.num = 1;
      this.GoodsInfo.checked = true;
      cart.push(this.GoodsInfo)
    } else {
      cart[index].num++
    }
    wx.setStorageSync("cart", cart)
    wx.showToast({
      title: "添加成功",
      icon: 'success',
      mask: true
    })
    console.log("1=>", cart);
  },
  handlePrevewImage(e) {
    console.log(e);
    const url = this.GoodsInfo.pics.map(v => v.pics_mid)
    const current = e.currentTarget.dataset.url
    console.log(current);
    wx.previewMedia({
      current,
      sources: [
        url
      ]
    })
  },
  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
    let pages = getCurrentPages();
    let currentPages = pages[pages.length - 1]
    let options = currentPages.options
    const {
      goods_id
    } = options
    // console.log(goods_id);
    // console.log(pages);
    this.getGoodsDetail(goods_id)

  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {

  }
})